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Finding the Fourth Proportional to 21,955.83, 32,933.83 and 5,315.84

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Solution

The fourth proportional to 21,955.83, 32,933.83 and 5,315.84 is: 7,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,955.83 : 32,933.83 = 5,315.84 : x
  2. Step 2: Convert to fraction form
    21,955.83/32,933.83 = 5,315.84/x
  3. Step 3: Cross multiply
    21,955.83x = 32,933.83 × 5,315.84
  4. Step 4: Simplify right side
    21,955.83x = 175,070,970.87
  5. Step 5: Solve for x
    x = 175,070,970.87/21,955.83
  6. Step 6: Final answer
    x = 7,973.78

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